!!! IMPORTANT--PLEASE NOTE !!! It's likely that this board needs to be configured to work with your specific TV model after installation. Without performing this step, the board will likely appear defective or the picture on the screen will be the wrong size. Part Number: DKEYMF452FM11 Board Number: KF452| XF452WJZZ LC-40LE810UN     LC-46LE810UN     LC-52LE810UN     LC-52LE820UN     LC-60LE810UN     LC-60LE820UN AP-150